小学语法：连词ppt课件x 18页

连词\nWhichdoyoulike,footballorbasketball?Basketball,butI'mnotgoodatit.\n什么是连词？连词是连接单词、短语或句子的一种词。\n2.常见连词的基本用法and(和）表示并列和对称Theybegantosinganddance.Ilikebaskerball,footballandtabletennis.both...and...（两者都...)Bothyouandmearestudents.\nnotonly...butalso不但......而且，表并列Jennycanplaynotonlybasketballbutalsovelleyball.NotonlyyoubutalsoJimoftencomeslate.\nNeither...nor...（既不......也不......）Neitheryounorheislateforclass.NeitheryounorIamright.后面的谓语动词遵循就近原则。\nor或者，还是，表示选择Isitapigoradog?Doyoucometoschoolbybusorbybike?Areyouhappyorsad?\n注意：在并列结构中，or通常用于否定句，and用于肯定句。Idon'tlikecoffeetea.Ilikecoffeetea.orand\neither...or...或者.....或者......，不是......就是......表示选择EitheryouorIhavetodothehousework.Youmayeitherstayhereorgowithus.IwillgotoNanningeitherMondayorTuesday.\nbut但是，表示转折Ilikewinter,butIdon'tlikesnow.Marylikesapples,buthersisterlikesbananas.Iliketheskirt,butit'stooexpensive.\nfor因为...表示原因Heisabsenttoday,forheisill.Idrankalotofwater,forIwasthirsty.Westayathome,forit'srainingoutside.\nso因此，所以表示原因Hegotuplate,sohemissedthebus.Igotmanygifts,soIwasveryhappy.\nbecause因为表示原因Johndidn'tcometoschoolyesterdaybecausehewasill.Ididn'thavedinnerbecauseIwasn'thungry.because和so不能同时出现在句子中\nwhen当......的时候表示时间Pleasecomeandplaywithmewhenyouarefree.WhenmyMumcamebackhome,IwaswatchingTV.WhenIwasfive,Icouldswim.\nafter在......之后表示事情发生的先后I'llgoswimmingwithyouafterIfinishmyhomework.Thepigsleptafterdinner.Before在......之前与after构成反义词YoumustfinishyourhomeworkbeforeyouwatchTV.\nassoonas一......就......表示时间IwillcallyouassoonasIgethome.IwilleatanicecreamassoonasIgethome.Mymotherwenttosleepassoonasshecameback.\nif如果表示条件Wewillgotothezooifitdoesn'traintomorrow.Youwillfailtheexameifyoudon'tstudyhard.IfIfinishmyhomework,Iwillgotothecinema.\nalthough/though尽管/虽然......表示让步Sheeatanappleadaythoughshedoesn'tlikeit.Althoughsheworkedhard,shelostthegame.